怎么解決這問題?
<pre>HelloWorld.java:12: error: cannot find symbol System.out.printn("??"); ^ symbol: method printn(String) location: variable out of type PrintStream 1 error
<pre>HelloWorld.java:12: error: cannot find symbol System.out.printn("??"); ^ symbol: method printn(String) location: variable out of type PrintStream 1 error
2017-08-30
舉報
2017-08-30
是System.out.println(),你那個println寫成了printn了,單詞拼錯了,以后注意就沒事了